It’s a common misconception that, “if you remain ignorant of something then you will not be held accountable for it.” You tell some people the ruling for X, they put their fingers in their ears and say, “Ahh! Why did you tell me?!”
This is not true, because if something is related to the Fardhul ‘Ayn (religious knowledge which is obligatory on every adult, sane, Muslim to know) then doing something out of ignorance is like doing something *intentionally* for which *you will be* held accountable.
Islam is a religion of knowledge and responsibility, not ignorance and neglect. One who doesn’t learn his Fardhul ‘Ayn is in the state of sinfulness. Fardhul ‘Ayn is Islamic knowledge related to everything that you do; from Prayer, fasting, pilgrimage, etc. to (and not restricted to) business transactions, university, school, work etc.
So, take your religion seriously, just like you take your worldly matters seriously. Find yourself a teacher, someone who is qualified to teach you your religion and someone you can refer to if you have any questions.